Tài liệu Báo cáo " Evaluation of ASTER Data Use in Land Use Study in the Mekong delta " pptx

... land use study in the Mekong Delta VNU. Journal of Science, Earth Sciences, T.XXIII, N01, 2007 29 discrimination capacity of ASTER data in land use mapping of such a dynamic area as the Mekong ... reflectance Evaluation of ASTER data use in land use study in the Mekong Delta VNU. Journal of Science, Earth Sciences, T.XXIII, N01, 2007 31 conversion (Sonobe et al., 2002). The study was therefore ... ground truth samples and photos taken in the area on the 2003 fieldtrip. Evaluation of ASTER data use in land use study in the Mekong Delta VNU. Journal of Science, Earth Sciences, T.XXIII,...

Tài liệu Báo cáo " Effecting of medium composition on biomass and ginsenoside production in cell suspension culture of Panax vietnamensis Ha et Grushv " doc

... that P. ginseng callus produces almost the same pharmacologically active saponins, ginsenosides as that of cultivated ginseng root. In a 30-liter jar fermentor culture, the increase of the growth ... through callus induction from the cultivated plant root [5]. The cell line was maintained in MS liquid medium supplemented with 3 mg/L indole-3-butyric acid (IBA), 0.1 mg/L of kinetin and 30 g/L ... polysaccharide were also influenced by initial nitrogen concentration in the medium. The maximum production of ginseng saponin and polysaccharide obtained (1.5 g/L and 2.19 g/L) at the initial nitrogen...

Tài liệu Báo cáo " Eco-industrial park: from theory to practice Case study in Kinh Mon District, Hai Duong Province, Vietnam " doc

... Kinh Thay river in the West and the Han river in the East. The main characteristic of terrain in this area is medium mountainous, interspersing by plain. The study area is in the tropical monsoon ... document, the study firstly calculated the amount of waste emitting when the factory is operating. The calculation involved the amount of water used, lost water (i.e. vaporizing); amount of coal used, ... goals. The study is based on the theory of industrial ecology, the previous studies of applicable capacity in Vietnam condition and the development orientations in Hai Duong province – the study...

Tài liệu Báo cáo " Flora of the Research Forest in Yen Tu, Quang Ninh " docx

... because they are one of the 10 largest families in Vietnam as a whole. The genera containing the highest number of species in this study and the other studies are listed in Table 5. The 10 ... are the largest family in the world as well as in Vietnam and partly because of the large number of wild chrysanthenum plants growing in cultivated areas. The 10 largest families according ... as a whole. The family Asteraceae is the 2nd largest family in the studies carried out in Yen Tu and Huu Lung and is the 6th largest in Cat Ba. In contrast, in the studies of the Yen Tu,...

Tài liệu Báo cáo " Occurrences of microcystis spp. and microcystins in some cyanobacterial blooms in freshwater bodies in Vietnam " docx

... (Hyperion 3) and the microcystins concentrations (µg L-1) in the samples were determined from the standard competitive curve of microcystin-LR. If the microcystin concentrations in the samples ... Lake Hoan Kiem (Ha Noi). The results of the quantitative analyses of Microcystis spp. and screening of microcystin by ELISA in the water are presented. The cell density of Microcystis spp. ranged ... found that the biomass of M. aeruginosa is the highest in all samples, especially in Nhu Y site with the cells density of 312x103 cells/ mL; then M. botrys, with the cells density of 160,5x103...

Tài liệu Báo cáo " Effect of Sweet potato (Ipomoea batatas (L.) Lam) leaf extract on hypoglycaemia, blood insulin secretion, and key carbohydrate metabolic enzymes in expermentally obese and STZ-induced diabetic mice " pptx

... (Streptomyces chromogen). It was used to induce experimentally diabetic models of animals [4,5,7]. The injection of single dose of STZ (120mg kg -1) into the HFD mice increases clearly blood glucose, ... Glucose (mmol/l) Plasma insulin (pmol/l) Treatment with extract fraction Starting point Final Change of glucose (%) Starting point Final Change of insulin (%) Obese -diabetic mice ... and PI, in comparison with untreated ND fed mice. Therefore, obesity and insulin resistance were the important causes of diabetes. 3.3. Effect of the extract fractions on blood fasting glucose...

Tài liệu Báo cáo " Deodorization of food wastewater by using strong oxidants " pdf

... process. The odor intensity is increased with decreasing of pH, it may due to the incompletely reduction of compounds of sulfur and nitrogen in acid state. These compounds are volatile and caused ... pH effect Since the state of sulfur and organic compounds is depended on pH, then effects of pH to the odor of wastewater were studied. The result in Table 1 showed that pH of influent effected ... KMnO4 the COD value of effluent is strange, this may be explained by the excess amount of KMnO4 used which may cause error in measurement. In general, the optimal concentration is 2.4 g/l of...

Tài liệu Báo cáo "Effect of the preparation conditions on the properties of Fe-Pt nanoparticles produced by sonoelectrodeposition " pptx

... presence of the Fe3Pt. Of cause, the kink in the magnetic curves was more evident in the samples with high Fe content. In another series of samples, we fixed the current density and change the ... because of the limit of maximum applied field of 13.5 kOe, the curve is a minor loop. Therefore, the real coercivity must be higher than those obtained from the hysteresis curves. However, the ... (H’c). In a more physically meaningful definition, the coercivity Hc may be defined as the field where the largest number of moments reverses, i.e., the maximum of the susceptibility (dM/dH). In...

Tài liệu Báo cáo " Survey of WO3 thin film structure built on ito/glass substrates by the Raman and xrd spectroscopies" doc

... these of o-WO3. And the reason is that parameters of crystalline structure of m-WO3 are smaller than that of o-WO3 or the force constant in W-O bonds in the former is larger than in the ... and because of the heteroepitaxial growth of films WO3 in which the parameters of plane ITO (440) are slightly larger than the ones of WO3 planes. The relation between shifts of XRD peaks ... about 30 – 35 nm. Moreover the annealing process and the breakage of the double bonds W = O also result in the limit of the shift to the 680 cm-1. Thus, in the films WO3/ITO 300 nm nanocrystal...

Tài liệu Báo cáo " STABILITY OF THE ELASTOPLASTIC THIN ROUND CYLINDRICAL SHELLS SUBJECTED TO TORSIONAL MOMENT AT TWO EXTREMITIES " pptx

... simulation of instability form of the cylinder (see[1],[5]). In this paper, the solution of problem in the real bending form of structure hasbeen found. We have also established the relations ... in the paper [6]. By the smallelastoplastic deformation theory and by the ﬂow theory, this problem again has beenstudied in [2] and [4]. Basing on the theory of elastoplastic p rocesses the ... equations of the stability problem2.1. Pre-buckling processAt the any moment in the pre-buckling state, we haveσ12= −p, σij=0 ∀i =1,j=2.σu=√3|σ12| =√3p. The components of the strain...

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